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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

How many grams the dog will eat in 3 days?

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m